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- /*
- * $RCSfile: createVHG.c,v $
- * $Revision: 1.1.1.1 $
- * $Date: 1996/05/04 21:55:32 $
- */
- /**********************************************************************
- * EXODUS Database Toolkit Software
- * Copyright (c) 1991 Computer Sciences Department, University of
- * Wisconsin -- Madison
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * THE COMPUTER SCIENCES DEPARTMENT OF THE UNIVERSITY OF WISCONSIN --
- * MADISON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.
- * THE DEPARTMENT DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
- * WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * The EXODUS Project Group requests users of this software to return
- * any improvements or extensions that they make to:
- *
- * EXODUS Project Group
- * c/o David J. DeWitt and Michael J. Carey
- * Computer Sciences Department
- * University of Wisconsin -- Madison
- * Madison, WI 53706
- *
- * or exodus@cs.wisc.edu
- *
- * In addition, the EXODUS Project Group requests that users grant the
- * Computer Sciences Department rights to redistribute these changes.
- **********************************************************************/
-
- #include <stdio.h>
- #include "ess.h"
- #include "checking.h"
- #include "io.h"
- #include "object.h"
- #include "list.h"
- #include "tid.h"
- #include "bf.h"
- #include "trace.h"
- #include "error.h"
- #include "scan.h"
- #include "load.h"
- #include "sm_params.h"
- #include "btree.h"
- #include "pool.h"
- #include "lock.h"
- #include "version_graph.h"
- #include "version_funcs.h"
- #include "sm_extfuncs.h"
- #include "sm_globals.h"
-
-
- int
- createVHG(
- int groupIndex,
- FID *fid,
- OID *oid, /* object being versioned */
- OID *vhgOid, /* new version graph */
- VHGNODEID *rootNodeId /* root node of version graph */
- )
- {
- VERSIONGRAPH graph; /* graph being created */
- OBJHDR objHdr; /* header for the VHG object */
-
- TRPRINT(TR_VERSION, TR_LEVEL_1, ("Creating VHG \n") );
-
- /*
- * Initialize the graph
- */
- if (initializeVHG(&graph, oid, V_frozen)) {
- return(esmFAILURE);
- }
-
- /*
- * Set up the VHG object's header telling sm_CreateObject to
- * set the versioned flag
- */
- objHdr.tag = 0;
- objHdr.properties = P_HISTORYGRAPH;
-
- /*
- * Create the version history graph object, the global variable
- * InternalCall must be set to indicate that the properties
- * field should be set in the object header. It must be unset
- * when the call is complete.
- */
- InternalCall = TRUE;
- if (sm_CreateObject(groupIndex, fid, NEAR_OBJ, oid, &objHdr,
- sizeof(graph), (char*) &graph, vhgOid) ) {
- InternalCall = FALSE;
- return(esmFAILURE);
- }
- InternalCall = FALSE;
-
- /*
- * return the rootNodeId
- */
- *rootNodeId = graph.root;
-
- return(esmNOERROR);
- }
-